e of mercury, boracic acid, carbon- of the polariscope is an exceedingly interesting part of ing a large percentage of them. An effective device ate of potash, carbonate of soda, citric acid, chlorate the study of polarized light. The indescribable play for holding the glasses while they are being… … POLARISCOPE FOR MICROSCOPIC OBJECTS. soaking them in oil or some other suitable of individual taste. In the present case, the liquid. hand piece and sliding stage are made of shown in Fig. 4. It consists of a piece of thin Bristol- % in. mahogany, the handle being formed on the Many rock sections…
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